HELP! Error message when loop completes

If this template helps then use it. If not then just delete and start from scratch.

OS (e.g. Win10):
PsychoPy version (e.g. 1.84.x): 2021.2.3
Standard Standalone? (y/n) If not then what?:
What are you trying to achieve?: Trying to create a likert scaled test with answers with rating scale for participants to choose. But whenever I run the experiment it quits and says the error below. I don’t know what I’m doing wrong. I’ve written the error:

AttributeError: ‘NoneType’ object has no attribute ‘replace’